Turn on notifications for the official Instagram and YouTube channel. Do not rely on Google to tell you when it is free—they will beat Google’s indexing by 24 hours.
The term "Emily's Diary" also refers to content that is not a video drama or animated series. If the above options don't match what you're looking for, you might be searching for one of these:
The game uses a "freemium" model. While downloading the app is free, progressing through the story smoothly usually involves two main resources: